Intertwisted net



T. YAMAMOTO. INTERTW ISTED NET.

APPLICATION FILED MAY 29, 1919.

1,390,3 5, PatentedSept. 13,1921.

Takg'z'm W025,

v Tar vrice.

TAKEJIRO, YAMAMOTO, OF TOKYO, JAPAN.

INTERTWISTED NET.

Application filed May 29,

To all whom it may concern.-

Be it known that I, TAKEJIRQ YAMAMo'ro, subject of the Emperorof Japan,residing at No. 161 Honmuracho, AZa-bu, Tokyo, Japan, have inventedcertain new and useful Improvements in Intertwisted Net, of .which thefollowing is a speclfication.

This invention relates to improvements in intertwisted netting.

An object of the inventlon 18 to provide I a strong netting made fromcord or rope without employing knots which weaken the net and shortenits life.

Another object of the invention is to improve upon the constructiondisclosed in my prior Patent No. 1,026,544, dated May 14-,

' the salient features of the invention as ex pressed in the appendedclaim.

In the drawing,

' Figure l'shows a pair of cords orropes after being intertwisted withthe strands shown separated.

Fig. 2 is a view showing the joint after the two intersecting cords havebeen twisted tightly together.

The material of the netting oftlie present invention is made from cordor rope hav- .and the other cord comprising the strands numbered 4, 5and 6. Before the cords are twisted, they are interlocked in the manner7 shown in Fig. 1, where each strand of each cord is shown as passingbetween two of. the three pairs of strands of the other cord.

Specification of Letters Patent. Patented $611913. 13, 1921- 1919.Serial No. 300,569.

Thus strand 4 is passed between strands 1 and 2 and also between strands1 and 3, but is not passed between strands 1 and 2 Strand 3 of the-othercord is passed between strands 5 and 6, and between strands 4 and 5, butnot between strands 4: and 6. Simia lar statements may be made of allthe six strands of the intersecting cords.

When once the strands have been connectedinthe mannerillustrated in Fig.1, the intersecting cords will be twisted, the twisting taking placesimultaneously so that the joint is ultimately intertwi'sted tightly toform the compact knotless joint" illus trated in Fig. 2. The joint ofthe invention,

unlike a knotted joint, has no greater thick T ness than the thicknessof the individual cords intersecting to form the joint. The threeintertwisted strands of the intersecting cords positively prevent anyshifting of the two cords relatively to each other.

In the construction of the prior patent referred to, the joint is notsolid enough and will loosen after a short time. Especially is it notsuitable for a large cord. The present invention has been devised toeliminate the disadvantages of the prior construction. Here the joint isvery solid and is suitable for large cords or ropes. The meshes of thenetting are of uniform strength and may not be deformed. Even when thenetting is nearly worn out the meshes will maintain their proper size,thus making the netting a very durable one.

What is claimed is:

An interlocked netting joint formed from two intersecting cords orropes, each cord comprising three strands, each strand ot either cordbeing passed between two of the three pairs of strands of the othercord, no two strands of either cord passing between the same strands inthe same direction, the two cords being subsequently twisted tightly toform a knotless joint.

In testimony whereof I have hereunto set my hand in presence of twosubscribing witnesses.

TAKEJIRO YAMAMOTO. [Ls] Witnesses: r v

T. KUsAKA, Y. OsH'IM

